[Physician participation in surveys on behavior and health conducted by mail].
Reig Ferrer
A
A
Caruana Vañó
A
A
D006306:Health Surveys; D006801:Humans; D010820:Physicians / Q000706:statistics & numerical data; D013030:Spain; D011795:Surveys and Questionnaires
Participación de médicos en encuestas sobre comportamiento y salud realizadas por correo.